<template>
  <div>
    <van-tree-select
  height="55vw"
  :items="items"
  :main-active-index.sync="activeIndex"
/>
  </div>
</template>

<script>
export default {
  data() {
    return {
      activeIndex: 0,
      items: [
        { text: '浙江', children: [], dot: true },
        { text: '江苏', children: [], badge: 5 },
      ],
    };
  },
};
</script>

<style>

</style>